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Finding the Fourth Proportional to 568,819.26, 853,228.89 and 148,095.54

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Solution

The fourth proportional to 568,819.26, 853,228.89 and 148,095.54 is: 222,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,819.26 : 853,228.89 = 148,095.54 : x
  2. Step 2: Convert to fraction form
    568,819.26/853,228.89 = 148,095.54/x
  3. Step 3: Cross multiply
    568,819.26x = 853,228.89 × 148,095.54
  4. Step 4: Simplify right side
    568,819.26x = 126,359,393,208.15
  5. Step 5: Solve for x
    x = 126,359,393,208.15/568,819.26
  6. Step 6: Final answer
    x = 222,143.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.